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Related Party Transactions (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 28, 2012
Jul. 30, 2011
Jul. 28, 2012
Jul. 30, 2011
Related Party Transactions (Textual) [Abstract]        
Purchase from related party vendor $ 5.6 $ 5.4 $ 11.4 $ 9.8
Purchase from related party vendor percentage 11.00% 11.00% 12.00% 11.00%
Cost of sale related to vendor 5.8 4.8 11.6 9.4
Payable amount to vendor outstanding $ 1.7 $ 1.4 $ 1.7 $ 1.4